Year	Years
1950	39.05
1951	39.208
1952	39.534
1953	39.878
1954	40.241
1955	40.623
1956	41.021
1957	41.435
1958	41.862
1959	42.296
1960	42.732
1961	43.165
1962	43.592
1963	44.013
1964	44.434
1965	44.873
1966	45.354
1967	45.888
1968	46.477
1969	47.11
1970	47.76
1971	48.392
1972	48.975
1973	49.489
1974	49.93
1975	50.308
1976	50.649
1977	50.983
1978	51.335
1979	51.712
1980	52.111
1981	52.523
1982	52.929
1983	53.311
1984	53.664
1985	53.982
1986	54.266
1987	54.523
1988	54.753
1989	54.958
1990	55.13
1991	55.262
1992	55.353
1993	55.407
1994	55.43
1995	55.43
1996	55.415
1997	55.399
1998	55.397
1999	55.42
2000	55.484
2001	55.598
2002	55.763
2003	55.98
2004	56.249
2005	56.576
2006	56.965
2007	57.407
2008	57.885
2009	58.383
2010	58.876
2011	59.338
2012	59.754
2013	60.112
2014	60.407
2015	60.643
2016	60.831
2017	60.994
2018	61.149
2019	61.305
2020	61.468
2021	61.638
2022	61.808
2023	61.975
2024	62.139
2025	62.3
2026	62.459
2027	62.616
2028	62.77
2029	62.923
2030	63.074
2031	63.222
2032	63.368
2033	63.511
2034	63.652
2035	63.791
2036	63.929
2037	64.065
2038	64.201
2039	64.336
2040	64.47
2041	64.603
2042	64.734
2043	64.864
2044	64.993
2045	65.12
2046	65.245
2047	65.37
2048	65.494
2049	65.617
2050	65.739
2051	65.86
2052	65.98
2053	66.098
2054	66.216
2055	66.333
2056	66.449
2057	66.565
2058	66.682
2059	66.798
2060	66.914
2061	67.028
2062	67.141
2063	67.252
2064	67.36
2065	67.467
2066	67.573
2067	67.679
2068	67.786
2069	67.893
2070	68.002
2071	68.112
2072	68.224
2073	68.336
2074	68.449
2075	68.563
2076	68.676
2077	68.791
2078	68.905
2079	69.02
2080	69.136
2081	69.253
2082	69.372
2083	69.492
2084	69.614
2085	69.737
2086	69.861
2087	69.986
2088	70.111
2089	70.235
2090	70.36
2091	70.484
2092	70.608
2093	70.732
2094	70.856
2095	70.98
2096	71.104
2097	71.228
2098	71.352
2099	71.476